North Pacific storm

03°25.4′N 146°55.2′W

Waves left about 5 Oct 02:01Z, ± 4 h

Placed by 3 buoys, whose own placements lie within 336 nmi of it

Its swell was last measured at 46215 (Diablo Canyon, CA) on 10 Oct 10:00Z; the replay ends there.

Each buoy places the storm from how its swell's period shortened as it arrived: the longest waves travel fastest. Fronts are drawn at deep-water group speeds along great circles, and stop at land. How it is worked out